Sports and Fitness

  • Baseball Calories Burned Calculator
    Estimate calories burned playing baseball using MET values, duration in minutes, and body weight. Free MET-based energy expenditure calculator.
  • Baseball Batting Average Calculator
    Calculate a baseball player's batting average from hits and at-bats. Hits divided by at-bats, rounded to 3 decimals (e.g. .300). Used in MLB, NPB worldwide.
  • BMR Calculator (Basal Metabolic Rate)
    Calculate your Basal Metabolic Rate (BMR) with the Mifflin-St Jeor equation. Find daily calories burned at rest plus TDEE by activity level.
  • Badminton Calories Burned Calculator
    Estimate calories burned playing badminton from intensity (METs), body weight and time using the standard MET-based energy expenditure formula.
  • Navy PRT Calculator
    Estimate your US Navy PRT score from plank, push-ups, and 1.5-mile run. Get per-event scores plus an overall average score and fitness category.
  • Arrow FOC Calculator
    Calculate your arrow's Front of Center (FOC) percentage from arrow length and balance point to tune accuracy, penetration, and downrange flight.
  • Army Height and Weight Calculator (AR 600-9 Screening)
    US Army AR 600-9 height and weight calculator. Check if your weight is within the screening limit for your height, age, and sex, and see your margin.
  • Army Body Fat Calculator (US)
    Estimate body fat with the US Army AR 600-9 ABCP tape method. Enter height, neck, abdomen (men) or waist & hip (women) in inches.
  • Earned Run Average (ERA) Calculator
    Calculate a baseball pitcher's ERA from earned runs and innings pitched. ERA = (earned runs / innings pitched) × 9. Free, fast, and accurate.
  • Three-Way Playoff (Tomoe-sen) Win Probability Calculator
    Compute each contestant's chance of winning a three-way sumo playoff (tomoe-sen, Japan). Fair case gives 5/14, 5/14, 4/14; supports uneven strengths.
  • Bike Pace Calculator
    Calculate your cycling pace and average speed from ride distance and time. Get min/sec per km or mile plus km/h or mph instantly.
  • Anaerobic Threshold Calculator
    Estimate your anaerobic threshold (AT) heart rate from age and intensity percentage. Uses AT_HR = % × (220 − age) for training zone targeting.
  • Air Force PT Calculator
    Estimate your US Air Force PT test score from push-ups, sit-ups and 1.5-mile run time. See your total points and whether you pass (75+).
  • Japan Series (NPB Best-of-Series) Win Probability Calculator
    Estimate NPB postseason odds: enter a single-game win probability and a predicted series score to get the exact-result and overall series win probabilities.
  • Archery Draw Length Calculator
    Find your archery draw length from your arm span using the wingspan ÷ 2.5 method. Enter your wingspan in inches for an instant draw length estimate.
  • 5/3/1 Training Max Calculator
    Calculate your 5/3/1 Training Max (90% of 1RM) and all weekly working-set weights (65/75/85%, 70/80/90%, 75/85/95%) instantly.
  • 5K Pace Calculator
    Calculate your 5K running pace per kilometer and per mile from your finish time. See pace, speed in km/h and mph instantly.
  • Steps to Calories Calculator
    Convert your step count into calories burned walking. Enter steps, body weight, and stride length to estimate kcal burned and distance covered.
  • Maximum Heart Rate (MHR) Calculator
    Estimate your maximum heart rate from age using the Fox (220−age) or Tanaka (208−0.7×age) formula, plus 50/70/85% training zones in bpm.
  • Heart Rate Training Zones Calculator
    Calculate your max heart rate and the 5 training zones (50–90%) from your age using the 220−age formula. Free, instant heart rate zone calculator.
  • FTP Calculator
    Calculate your cycling FTP (Functional Threshold Power) from a 20-minute test. FTP = 95% of 20-min average power, plus power-to-weight ratio.
  • Earned Run Average (ERA) Calculator
    Calculate a pitcher's Earned Run Average (ERA) from earned runs and innings pitched. Free baseball ERA calculator with worked example.
  • Golf Handicap Calculator
    Calculate your golf handicap differential and estimated handicap index from your score, course rating and slope rating using the standard formula.

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